51143242435100 has 36 divisors (see below), whose sum is σ = 110981265744384. Its totient is φ = 20457217774080.

The previous prime is 51143242435097. The next prime is 51143242435157. The reversal of 51143242435100 is 153424234115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29703404 + ... + 31377996.

It is an arithmetic number, because the mean of its divisors is an integer number (3082812937344).

Almost surely, 2^{51143242435100} is an apocalyptic number.

51143242435100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51143242435100 is an abundant number, since it is smaller than the sum of its proper divisors (59838023309284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51143242435100 is a wasteful number, since it uses less digits than its factorization.

51143242435100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980014 (or 1980007 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 51143242435100 its reverse (153424234115), we get a palindrome (51296666669215).

The spelling of 51143242435100 in words is "fifty-one trillion, one hundred forty-three billion, two hundred forty-two million, four hundred thirty-five thousand, one hundred".